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  Topic: LED Sign
r0b3rt03

Replies: 24
Views: 45590

PostForum: LED Projects   Posted: Sat Apr 25, 2009 2:02 pm   Subject: LED Sign


Yes, a battery provides positive and negative leads. A plug in power supply also has positive and negative leads.

If you get a 9 volt plug in power supply your circuit will not know the differ ...
  Topic: LED Sign
r0b3rt03

Replies: 24
Views: 45590

PostForum: LED Projects   Posted: Sat Apr 25, 2009 1:42 pm   Subject: LED Sign

You just need a plug in power supply like the one we sell.
http://alan-parekh.vstore.ca/product_info.php/cPath/10/products_id/69

You can get these anywhere though like Radio Shack. They come in ...
  Topic: LED Sign
r0b3rt03

Replies: 24
Views: 45590

PostForum: LED Projects   Posted: Sat Apr 25, 2009 12:53 am   Subject: LED Sign
I am having some difficulty finding a way to power this with DC power. Is there a product that people have used for this?
Batteries. 9 Volt, DC ones.

Where could I purchase this kind of product? ...
  Topic: LED Sign
r0b3rt03

Replies: 24
Views: 45590

PostForum: LED Projects   Posted: Sun Apr 19, 2009 8:26 pm   Subject: LED Sign
I already have some LED's with resistors for both projects, however I am having some difficulty finding a way to power this with DC power. Is there a product that people have used for this? Where co ...
  Topic: LED Sign
r0b3rt03

Replies: 24
Views: 45590

PostForum: LED Projects   Posted: Sun Apr 19, 2009 6:51 pm   Subject: LED Sign
Do you have any idea what would be the best thickness for the plexiglass. Also, when I am lighting the plexiglass with the LED's I was planning on using 5mm LED's and powering them with a 9v source. ...
  Topic: LED Sign
r0b3rt03

Replies: 24
Views: 45590

PostForum: LED Projects   Posted: Sun Apr 19, 2009 6:02 pm   Subject: LED Sign
The only real difference in the schematic and the one in the video is that in the video they do not have the wires connected from the 330uf to the NPN C945. It did look different to me at first and t ...
  Topic: LED Sign
r0b3rt03

Replies: 24
Views: 45590

PostForum: LED Projects   Posted: Sun Apr 19, 2009 5:47 pm   Subject: LED Sign
The only real difference in the schematic and the one in the video is that in the video they do not have the wires connected from the 330uf to the NPN C945. It did look different to me at first and t ...
  Topic: LED Sign
r0b3rt03

Replies: 24
Views: 45590

PostForum: LED Projects   Posted: Fri Apr 17, 2009 1:46 pm   Subject: LED Sign
Where would the momentary switch that was shown in the video be attached to?

Thanks.
  Topic: LED Sign
r0b3rt03

Replies: 24
Views: 45590

PostForum: LED Projects   Posted: Fri Apr 17, 2009 11:05 am   Subject: LED Sign
I have found the exact relay used after quite a while of searching around. So now I have just one last question.

Where does the bottom right wire go to? It says "to Circuit 9v"

Than ...
  Topic: LED Sign
r0b3rt03

Replies: 24
Views: 45590

PostForum: LED Projects   Posted: Fri Apr 17, 2009 9:03 am   Subject: LED Sign
I have found the exact relay used after quite a while of searching around. So now I have just one last question.

Where does the bottom right wire go to? It says "to Circuit 9v"

Than ...
  Topic: LED Sign
r0b3rt03

Replies: 24
Views: 45590

PostForum: LED Projects   Posted: Wed Apr 15, 2009 5:27 pm   Subject: LED Sign
Would this relay work?

http://skycraftsurplus.com/index.asp?PageAction=VIEWPROD&ProdID=1304

Also, where does the 9V connect on the bottom right of the schematic connect to? Does that go to ...
  Topic: LED Sign
r0b3rt03

Replies: 24
Views: 45590

PostForum: LED Projects   Posted: Wed Apr 15, 2009 9:52 am   Subject: LED Sign
Thanks for the response. Do you also know what type of relay is used in the schematic? I believe it said it was an "NEC MR62-12FSRY" but I can't seem to find one anywhere.

Thanks again.
  Topic: LED Sign
r0b3rt03

Replies: 24
Views: 45590

PostForum: LED Projects   Posted: Tue Apr 14, 2009 10:01 pm   Subject: LED Sign
Does anyone know how I could use a 555 Timer to do this job?

Thanks.
  Topic: LED Sign
r0b3rt03

Replies: 24
Views: 45590

PostForum: LED Projects   Posted: Tue Apr 14, 2009 8:08 pm   Subject: LED Sign
http://www.instructables.com/id/SL36ZZHFLROK6JZ/

So I was looking to start this project and was needing some help getting started. I have the LED's and the resistors to connect them all together. ...
 
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